
Verbe régulier : double -  doubled - doubled
Traduction française : doubler 
Forme simple | Forme en V-ing | 
| I must double you must double he must double we must double you must double they must double  | I must be doubling you must be doubling he must be doubling we must be doubling you must be doubling they must be doubling  | 
Perfect | Perfect en V-ing | 
| I must have doubled you must have doubled he must have doubled we must have doubled you must have doubled they must have doubled  | I must have been doubling you must have been doubling he must have been doubling we must have been doubling you must have been doubling they must have been doubling  | 
Forme simple | Forme en V-ing | 
| I mustn't double you mustn't double he mustn't double we mustn't double you mustn't double they mustn't double  | I mustn't be doubling you mustn't be doubling he mustn't be doubling we mustn't be doubling you mustn't be doubling they mustn't be doubling  | 
Perfect | Perfect en V-ing | 
| I mustn't have doubled you mustn't have doubled he mustn't have doubled we mustn't have doubled you mustn't have doubled they mustn't have doubled  | I mustn't have been doubling you mustn't have been doubling he mustn't have been doubling we mustn't have been doubling you mustn't have been doubling they mustn't have been doubling  | 
Forme simple | Forme en V-ing | 
| must I double? must you double? must he double? must we double? must you double? must they double?  | must I be doubling? must you be doubling? must he be doubling? must we be doubling? must you be doubling? must they be doubling?  | 
Perfect | Perfect en V-ing | 
| must I have doubled? must you have doubled? must he have doubled? must we have doubled? must you have doubled? must they have doubled?  | must I have been doubling? must you have been doubling? must he have been doubling? must we have been doubling? must you have been doubling? must they have been doubling?  | 
Forme simple | Forme en V-ing | 
| mustn't I double? mustn't you double? mustn't he double? mustn't we double? mustn't you double? mustn't they double?  | mustn't I be doubling? mustn't you be doubling? mustn't he be doubling? mustn't we be doubling? mustn't you be doubling? mustn't they be doubling?  | 
Perfect | Perfect en V-ing | 
| mustn't I have doubled? mustn't you have doubled? mustn't he have doubled? mustn't we have doubled? mustn't you have doubled? mustn't they have doubled?  | mustn't I have been doubling? mustn't you have been doubling? mustn't he have been doubling? mustn't we have been doubling? mustn't you have been doubling? mustn't they have been doubling?  |